package com.itheima.service;

import com.itheima.pojo.Member;

import java.util.Map;

public interface MemberService {
    Member findByTelephone(String telephone);

    void add(Member member);

    //Map getMemberReport() throws Exception;
    Map getMemberReport(String startDate, String endDate) throws Exception;

    Map getMemberSexs();

    Map getMemberAges();
}
